Geodesic
A Note on Un × Um Modular Invariants
Canadian mathematical bulletin, Tome 40 (1997) no. 1, pp. 54-59

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DOI

We consider the rings of invariants RG , where R is the symmetric algebra of a tensor product between two vector spaces over the field Fp andG = Un × Um . A polynomial algebra is constructed and these invariants provide Chern classes for the modular cohomology of Un+m .
DOI : 10.4153/CMB-1997-006-7
Mots-clés : 13F20, Invariant theory, cohomology of the unipotent group 
Kechagias, Nondas E. A Note on Un × Um Modular Invariants. Canadian mathematical bulletin, Tome 40 (1997) no. 1, pp. 54-59. doi: 10.4153/CMB-1997-006-7
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     title = {A {Note} on {Un} {\texttimes} {Um} {Modular} {Invariants}},
     journal = {Canadian mathematical bulletin},
     pages = {54--59},
     year = {1997},
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     number = {1},
     doi = {10.4153/CMB-1997-006-7},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1997-006-7/}
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